Give me the best solution of the question of class 9th ncert book of Polynomials chapter of exercise 2.2 of question no 3(7) Give me the best and easy for solving the problem of this question Verify whether the following are zeroes of the polynomial, indicated against them.(vii) p(x) = 3×2−1, x = -1/√3 , 2/√3
AnilSinghBoraGuru
Verify whether the following are zeroes of the polynomial, indicated against them.(vii) p(x) = 3×2−1, x = -1/√3 , 2/√3 Q.3(7)
Share
For, x = -1/√3 , 2/√3 ; p(x) = 3×2−1
∴p(-1/√3) = 3(-1/√3)2-1 = 3(1/3)-1 = 1-1 = 0
∴p(2/√3 ) = 3(2/√3)2-1 = 3(4/3)-1 = 4−1=3 ≠ 0
∴-1/√3 is a zero of p(x) but 2/√3 is not a zero of p(x).